Custom Metal & Plastic Parts Manufacturing
From product design to production, assembly, and global delivery — your trusted one-stop OEM/ODM manufacturing partner with independent tooling capabilities.
Injection Machines
60g - 4200g capacity
Manufacturing at Scale
Our state-of-the-art facilities and experienced team deliver quality products at competitive prices
Total Production Area
Metal & Injection workshops
Injection Machines
60g to 4200g capacity
Monthly Capacity
Stamping parts output
Years Experience
Since 2015
Comprehensive Manufacturing Capabilities
We specialize in custom-made products spanning metal stamping, sheet metal fabrication, welding assembly, and plastic injection molding.
Metal Stamping
High-precision metal stamping with presses ranging from 16 to 250 tons. Complex deep drawing, multi-step forming, and high-volume production.
Sheet Metal Fabrication
Complete sheet metal processing including laser cutting, CNC bending, welding, and surface treatment for complex structural components.
Welding & Assembly
Robot welding stations and skilled manual welding for precision assemblies. Complete integration with painting and finishing.
Plastic Injection Molding
28 injection molding machines running fully automated 24/7 production. From small precision parts to large structural components.
Precision Parts Showcase
Explore our range of custom-manufactured metal and plastic components for various industries.
Mower Deck Housing
Transmission Cover
Rotary Blade Housing
Engine Mount Bracket
Decorative Panel
Support Bracket
From Concept to Delivery
Our streamlined process ensures quality, efficiency, and transparency at every step.
Inquiry & Design
Share your drawings, specifications, or ideas. Our engineering team provides DFM analysis and optimization suggestions.
Tooling Development
In-house mold and die making with rapid prototyping capabilities. Independent tooling for faster lead times.
Production
State-of-the-art equipment including stamping presses, laser cutters, injection machines, and automated welding.
Quality Control
Rigorous inspection at every stage with dimensional verification, surface treatment validation, and functional testing.
Assembly & Packaging
Complete sub-assembly services and export-standard packaging including wooden crates and pallet packaging.
Global Delivery
Flexible shipping options with full export documentation support. Direct delivery to your door worldwide.
Modern Manufacturing Facility
Tour our 11,000m² facility featuring state-of-the-art equipment, organized workflows, and strict quality control systems. We welcome clients to visit and inspect our capabilities firsthand.
Factory Overview
Injection Workshop
Coating Line
Robot Welding
Export Packing
International Clients Welcome
We regularly host clients from around the world for factory audits and production inspections.
Transparent Process
Our clients observe and approve each production stage, ensuring complete alignment with their quality standards.
Why Choose Zhongheng Metal
With a complete production process and supply chain, we offer reliable, high-quality custom manufacturing solutions for global clients.
Rapid Response
24h QuoteFast quotation turnaround within 24 hours. Efficient project communication keeps your production schedule on track.
In-House Tooling
Full ControlIndependent mold and die making capabilities enabling faster prototyping and reduced lead times.
One-Stop Service
End-to-EndFrom product design to production, assembly, packaging, and shipping — all under one roof.
Quality Assured
ISO 9001Rigorous quality control at every stage with ISO 9001 certification ensuring consistent excellence.
Global Export
WorldwideExperienced in international shipping with full documentation support for seamless customs clearance.
Dedicated Support
1-on-1Personal project manager assigned to each client for clear communication and timely updates.
Partnering with Global Brands
Serving clients across North America, Europe, Australia, and Asia with consistent quality and reliable delivery.
"Excellent quality and on-time delivery. The Zhongheng team understood our requirements perfectly and delivered precision parts that exceeded our expectations."
"We've been working with Zhongheng for 3 years. Their in-house tooling capability and quick turnaround make them our go-to partner for custom metal parts."
"From prototype to mass production, Zhongheng delivered consistently high-quality injection molded parts. Their communication and responsiveness are outstanding."
Quality Certifications & Compliance
Our manufacturing processes meet international quality standards and regulatory requirements, ensuring your products are ready for global markets.
Exporting to
Let's Build Your Next Project Together
Whether you need custom metal parts, plastic components, or a complete manufacturing solution, our team is ready to help. Contact us for a free consultation and quote.